Cannabis worth $3.7 million has been seized in raids on 12 homes across Melbourne's southeast.
More than 1500 cannabis plants were seized from homes in simultaneous raids across the Dandenong region this morning.
A 72-year-old Noble Park man and a 42-year-old Mulgrave woman are assisting police with inquiries and four other people have also been arrested.
Constable Kane Taylor said the raids would put a "huge dent" in the cannabis trade in Melbourne's southeast.
"To seize such a large quantity of cannabis plants and equipment used in the cultivation process is pleasing because it means fewer drugs on our streets," Constable Taylor said in a statement.